#AF121D
Closest named color: Rufous (#AE2012). oklch(48.1% 0.186 25.7), rgb(175, 18, 29).
Aa
White text reads best on this color (7.17:1).
About this color
#AF121D is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.186 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Rufous (#AE2012), ΔE 0.017 away. White text reads best on it, at 7.17:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.186) |
| Temperature | warm |
| Nearest name | Rufous (#AE2012) |
| Black text | 2.92:1 |
| White text | 7.17:1 |
Values
| HEX | #AF121D |
| RGB | rgb(175, 18, 29) |
| HSL | hsl(356, 81%, 38%) |
| OKLCH | oklch(48.1% 0.186 25.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #AF121D | 7.17:1 | AAA | Lc -87.9 | Fine for body text |
| Black text on #AF121D | 2.92:1 | Fails | Lc 21.2 | Dividers and decoration only |
| #AF121D text on white | 7.17:1 | AAA | Lc 82.8 | Fine for body text |
| #AF121D text on black | 2.92:1 | Fails | Lc -19.1 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F9CDC8
oklch(88.5% 0.05 25.7)
-
Step 300
300
#F6AAA2
oklch(80.9% 0.091 25.9)
-
Step 400
400
#ED7971
oklch(70.7% 0.144 25.4)
-
Step 500
500
#E3504B
oklch(63.1% 0.184 25.8)
-
Step 600
600
#CF292D
oklch(55.6% 0.201 25.8)
-
Step 700
700 (this color)
#AF121D
oklch(48.1% 0.186 25.7)
-
Step 800
800
#91191D
oklch(42.7% 0.155 25.5)
-
Step 900
900
#741E1D
oklch(37.6% 0.12 25.6)
-
Step 950
950
#451412
oklch(27.2% 0.076 25.8)
#AF121D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4A421B | 0.205 |
| Deuteranopia (no green cones) | #6F6314 | 0.186 |
| Tritanopia (no blue cones) | #C10019 | 0.036 |
| Achromatopsia (no color) | #575757 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AF121D
#AF121D
oklch(48.1% 0.186 25.7)
- #006B74
#006B74
oklch(48.2% 0.082 205)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #AF121D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rufous #AE2012 ΔE 0.017
- Firebrick #B22222 ΔE 0.017
- Brown #A52A2A ΔE 0.027
- Rust Red #AA2704 ΔE 0.030
- Scarlet #BE0119 ΔE 0.030
- Rouge #AB1239 ΔE 0.033
- Rusty Red #AF2F0D ΔE 0.037
- Burnt Red #9F2305 ΔE 0.039
Use #AF121D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.